U.S military aircraft takes off at the Hamid Karzai International Airport in Kabul, Afghanistan, Saturday, Aug. 28, 2021.(AP Photo/Wali Sabawoon) ** FILE **
FILE - In this Feb. 21, 2015, file photo, U.S. Secretary of Defense Ash Carter, left, walks with U.S. Army Gen. John Campbell upon arrival at Hamid Karzai International Airport in Kabul, Afghanistan. The pace of U.S. troop withdrawals from Afghanistan will headline Afghan President Ashraf Ghani’s visit to Washington(AP Photo/Jonathan Ernst, Pool)